ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,539, issued on Dec. 9, was assigned to PHYSICLEAN LTD. (Kiryat Gat, Israel).
"Drain pipe connector system" was invented by Nir Nahum (Even Shmuel, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drain pipe connector adapted to be disposed between a drain portal of a plumbing fixture and a sewage pipe. The drain pipe connector includes a first unidirectional valve adapted to be in fluid communication with the drain portal, and a drain trap in connected to the first unidirectional valve and adapted to be connected to the sewage pipe. The first unidirectional valve has a closed operative orientation, in which the first unidirectional valve forms...